The awards highlight the minimum conditions of employment and act as a safety net. Collective agreements are collective agreements that set out other terms and conditions of employment and rights for certain employees and their employers. Department of Education (Residential College Supervisors) CSA General Agreement 2017 Agreements are negotiated more regularly (usually every 2 or 3 years) between unions and employers and registered by the Western Australian Industrial Relations Commission (WAIRC). After registration, the provisions of the contract apply to all employees at the workplace who are working and who are covered by the employment contract. The following tables provide an overview of the industrial instruments applicable to departmental staff. .